大约的包装都是塑料

1、Lesson 59Lets look at the garbage Learning aims :1.Master the new words : sort ,metal,weight,percent,2.Understand :plastic,packaging 3.Project : Sort the garbage you have picked up in the school yard and try to reuse some of the garbage. Have you seen these signs before ?Rubbish made in the chicken.

2、Empty bottles or cans .Rubbish that can be recycled . Other waste things .a pair of glassesglass Keysmetala basinplasticLearn the new words 42.5%15,5%12%45 percent 12 percent15.5 percentAbout ten percent of packaging is plastic .大约大约10的包装都是塑料。的包装都是塑料。Listen read and learn :Listen to the tape and try

3、 to know the sorts of garbage .1. glass 2.metal 3.plastic 4.paper5.other things That is everything that isnt glass,metal,plastic or paper .What makes the most garbage ? Packaging !Learning tips :Whats packaging ? When you Whats packaging ? When you buy something ,it might come buy something ,it migh

4、t come in a box or a plastic bag .The in a box or a plastic bag .The box or bag might have words box or bag might have words or pictures on it . Thats or pictures on it . Thats packaging .About ten percent packaging .About ten percent of packaging is plastic .of packaging is plastic .Every year ,eac

5、h person in North America makes about 1000kilograms of garbage .Thats the same weight as a small car !In just one day ,Americans throw out 136 million kilograms of packaging .This would fill about ten thousand trucks!Exercise:complete the following sentences according to the Chinese :1.当你买东西时，它可能放在盒

6、里或者一个塑料当你买东西时，它可能放在盒里或者一个塑料袋里。袋里。When you buy something ,it _ come _ a box or a _ bag .2.你现在可以把这些垃圾拿出去。你现在可以把这些垃圾拿出去。You can _ _ _ _ .3.那是和一辆小汽车的重量一样的。那是和一辆小汽车的重量一样的。Thats _ _ _ _ a car.mightinplastictakeouttherubbishthesame weightas4.大约三分之一的北美垃圾来自于包装。大约三分之一的北美垃圾来自于包装。About _ _ North America garbage

7、 _ from packaging.5.大于百分之十的包装是塑料的。大于百分之十的包装是塑料的。About _ _ _ packaging _ plastic .6.垃圾中的绝大部分是包装物垃圾中的绝大部分是包装物 。Packaging _ the most garbage .one-thirdofcomestenpersentofmakesisProject :After class ,pick up the garbage in the school and sort the garbage,then try to find out :1.How much of each type of garbage do you have ?2.Do you have more plastic than paper ?3.Do you have less metal than paper ?4.